The grasses that cause the most problem are cheat grass, foxtail barley, cenchrus species, creeping foxtail (Alopecurus pratensis) and needle grass (Stipa species) among others, he said.

Dear Reader: Foxtail often is confused with crabgrass. ... Dear Dr. Dirt: I have an acre of creeping Charlie and mole runs, which make mowing a bumpy ride at the age of 91.

Foxtail barley is a native plant to Alberta ... and they've been very responsive," he said. Creeping bellflower season in Calgary will be prolific, horticulturalist says Planting vegetables ...